gdb/testsuite/gdb.fortran/exprs.exp

   1 # Copyright (C) 1994, 1997, 2005, 2007-2012 Free Software Foundation,
   2 # Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was adapted from old Chill tests by Stan Shebs
  18 # (shebs@cygnus.com).
  19
  20 load_lib "fortran.exp"
  21
  22 if { [skip_fortran_tests] } { continue }
  23
  24 proc test_integer_literals_accepted {} {
  25     global gdb_prompt
  26
  27     # Test various decimal values.
  28
  29     gdb_test "p 123" " = 123"
  30     gdb_test "p -123" " = -123"
  31 }
  32
  33 proc test_character_literals_accepted {} {
  34     global gdb_prompt
  35
  36     # Test various character values.
  37
  38     gdb_test "p 'a'" " = 'a'"
  39
  40     # Test various substring expression.
  41     gdb_test "p 'abcdefg'(2:4)" " = 'bcd'"
  42     gdb_test "p 'abcdefg'(:3)"  " = 'abc'"
  43     gdb_test "p 'abcdefg'(5:)"  " = 'efg'"
  44     gdb_test "p 'abcdefg'(:)" " = 'abcdefg'"
  45
  46 }
  47
  48 proc test_integer_literals_rejected {} {
  49     global gdb_prompt
  50
  51     test_print_reject "p _"
  52 }
  53
  54 proc test_logical_literals_accepted {} {
  55     global gdb_prompt
  56
  57     # Test the only possible values for a logical, TRUE and FALSE.
  58
  59     gdb_test "p .TRUE." " = .TRUE."
  60     gdb_test "p .FALSE." " = .FALSE."
  61 }
  62
  63 proc test_float_literals_accepted {} {
  64     global gdb_prompt
  65
  66     # Test various floating point formats
  67
  68     gdb_test "p .44 .LT. .45" " = .TRUE."
  69     gdb_test "p .44 .GT. .45" " = .FALSE."
  70     gdb_test "p 0.44 .LT. 0.45" " = .TRUE."
  71     gdb_test "p 0.44 .GT. 0.45" " = .FALSE."
  72     gdb_test "p 44. .LT. 45." " = .TRUE."
  73     gdb_test "p 44. .GT. 45." " = .FALSE."
  74     gdb_test "p 44.0 .LT. 45.0" " = .TRUE."
  75     gdb_test "p 44.0 .GT. 45.0" " = .FALSE."
  76     gdb_test "p 10D20 .LT. 10D21" " = .TRUE."
  77     gdb_test "p 10D20 .GT. 10D21" " = .FALSE."
  78     gdb_test "p 10d20 .LT. 10d21" " = .TRUE."
  79     gdb_test "p 10d20 .GT. 10d21" " = .FALSE."
  80     gdb_test "p 10E20 .LT. 10E21" " = .TRUE."
  81     gdb_test "p 10E20 .GT. 10E21" " = .FALSE."
  82     gdb_test "p 10e20 .LT. 10e21" " = .TRUE."
  83     gdb_test "p 10e20 .GT. 10e21" " = .FALSE."
  84     gdb_test "p 10.D20 .LT. 10.D21" " = .TRUE."
  85     gdb_test "p 10.D20 .GT. 10.D21" " = .FALSE."
  86     gdb_test "p 10.d20 .LT. 10.d21" " = .TRUE."
  87     gdb_test "p 10.d20 .GT. 10.d21" " = .FALSE."
  88     gdb_test "p 10.E20 .LT. 10.E21" " = .TRUE."
  89     gdb_test "p 10.E20 .GT. 10.E21" " = .FALSE."
  90     gdb_test "p 10.e20 .LT. 10.e21" " = .TRUE."
  91     gdb_test "p 10.e20 .GT. 10.e21" " = .FALSE."
  92     gdb_test "p 10.0D20 .LT. 10.0D21" " = .TRUE."
  93     gdb_test "p 10.0D20 .GT. 10.0D21" " = .FALSE."
  94     gdb_test "p 10.0d20 .LT. 10.0d21" " = .TRUE."
  95     gdb_test "p 10.0d20 .GT. 10.0d21" " = .FALSE."
  96     gdb_test "p 10.0E20 .LT. 10.0E21" " = .TRUE."
  97     gdb_test "p 10.0E20 .GT. 10.0E21" " = .FALSE."
  98     gdb_test "p 10.0e20 .LT. 10.0e21" " = .TRUE."
  99     gdb_test "p 10.0e20 .GT. 10.0e21" " = .FALSE."
 100     gdb_test "p 10.0D+20 .LT. 10.0D+21" " = .TRUE."
 101     gdb_test "p 10.0D+20 .GT. 10.0D+21" " = .FALSE."
 102     gdb_test "p 10.0d+20 .LT. 10.0d+21" " = .TRUE."
 103     gdb_test "p 10.0d+20 .GT. 10.0d+21" " = .FALSE."
 104     gdb_test "p 10.0E+20 .LT. 10.0E+21" " = .TRUE."
 105     gdb_test "p 10.0E+20 .GT. 10.0E+21" " = .FALSE."
 106     gdb_test "p 10.0e+20 .LT. 10.0e+21" " = .TRUE."
 107     gdb_test "p 10.0e+20 .GT. 10.0e+21" " = .FALSE."
 108     gdb_test "p 10.0D-11 .LT. 10.0D-10" " = .TRUE."
 109     gdb_test "p 10.0D-11 .GT. 10.0D-10" " = .FALSE."
 110     gdb_test "p 10.0d-11 .LT. 10.0d-10" " = .TRUE."
 111     gdb_test "p 10.0d-11 .GT. 10.0d-10" " = .FALSE."
 112     gdb_test "p 10.0E-11 .LT. 10.0E-10" " = .TRUE."
 113     gdb_test "p 10.0E-11 .GT. 10.0E-10" " = .FALSE."
 114     gdb_test "p 10.0e-11 .LT. 10.0e-10" " = .TRUE."
 115     gdb_test "p 10.0e-11 .GT. 10.0e-10" " = .FALSE."
 116 }
 117
 118 proc test_convenience_variables {} {
 119     global gdb_prompt
 120
 121     gdb_test "set \$foo = 101"  " = 101\[\r\n\]*" \
 122         "Set a new convenience variable"
 123
 124     gdb_test "print \$foo"              " = 101" \
 125         "Print contents of new convenience variable"
 126
 127     gdb_test "set \$foo = 301"  " = 301\[\r\n\]*" \
 128         "Set convenience variable to a new value"
 129
 130     gdb_test "print \$foo"              " = 301" \
 131         "Print new contents of convenience variable"
 132
 133     gdb_test "set \$_ = 11"             " = 11\[\r\n\]*" \
 134         "Set convenience variable \$_"
 135
 136     gdb_test "print \$_"                " = 11" \
 137         "Print contents of convenience variable \$_"
 138
 139     gdb_test "print \$foo + 10" " = 311" \
 140         "Use convenience variable in arithmetic expression"
 141
 142     gdb_test "print (\$foo = 32) + 4"   " = 36" \
 143         "Use convenience variable assignment in arithmetic expression"
 144
 145     gdb_test "print \$bar"              " = VOID" \
 146         "Print contents of uninitialized convenience variable"
 147 }
 148
 149 proc test_value_history {} {
 150     global gdb_prompt
 151
 152     gdb_test "print 101"        "\\\$1 = 101" \
 153         "Set value-history\[1\] using \$1"
 154
 155     gdb_test "print 102"        "\\\$2 = 102" \
 156         "Set value-history\[2\] using \$2"
 157
 158     gdb_test "print 103"        "\\\$3 = 103" \
 159         "Set value-history\[3\] using \$3"
 160
 161     gdb_test "print \$\$"       "\\\$4 = 102" \
 162         "Print value-history\[MAX-1\] using inplicit index \$\$"
 163
 164     gdb_test "print \$\$"       "\\\$5 = 103" \
 165         "Print value-history\[MAX-1\] again using implicit index \$\$"
 166
 167     gdb_test "print \$" "\\\$6 = 103" \
 168         "Print value-history\[MAX\] using implicit index \$"
 169
 170     gdb_test "print \$\$2"      "\\\$7 = 102" \
 171         "Print value-history\[MAX-2\] using explicit index \$\$2"
 172
 173     gdb_test "print \$0"        "\\\$8 = 102" \
 174         "Print value-history\[MAX\] using explicit index \$0"
 175
 176     gdb_test "print 108"        "\\\$9 = 108" ""
 177
 178     gdb_test "print \$\$0"      "\\\$10 = 108" \
 179         "Print value-history\[MAX\] using explicit index \$\$0"
 180
 181     gdb_test "print \$1"        "\\\$11 = 101" \
 182         "Print value-history\[1\] using explicit index \$1"
 183
 184     gdb_test "print \$2"        "\\\$12 = 102" \
 185         "Print value-history\[2\] using explicit index \$2"
 186
 187     gdb_test "print \$3"        "\\\$13 = 103" \
 188         "Print value-history\[3\] using explicit index \$3"
 189
 190     gdb_test "print \$-3"       "\\\$14 = 100" \
 191         "Print (value-history\[MAX\] - 3) using implicit index \$"
 192
 193     gdb_test "print \$1 + 3"    "\\\$15 = 104" \
 194         "Use value-history element in arithmetic expression"
 195 }
 196
 197 proc test_arithmetic_expressions {} {
 198     global gdb_prompt
 199
 200     # Test unary minus with various operands
 201
 202 #    gdb_test "p -(TRUE)"       " = -1" "unary minus applied to bool"
 203 #    gdb_test "p -('a')"        " = xxx"        "unary minus applied to char"
 204     gdb_test "p -(1)"           " = -1" "unary minus applied to int"
 205     gdb_test "p -(1.0)" " = -1" "unary minus applied to real"
 206
 207     # Test addition with various operands
 208
 209     gdb_test "p .TRUE. + 1"     " = 2"  "bool plus int"
 210     gdb_test "p 1 + 1"          " = 2"  "int plus int"
 211     gdb_test "p 1.0 + 1"        " = 2"  "real plus int"
 212     gdb_test "p 1.0 + 2.0"      " = 3"  "real plus real"
 213
 214     # Test subtraction with various operands
 215
 216     gdb_test "p .TRUE. - 1"     " = 0"  "bool minus int"
 217     gdb_test "p 3 - 1"          " = 2"  "int minus int"
 218     gdb_test "p 3.0 - 1"        " = 2"  "real minus int"
 219     gdb_test "p 5.0 - 2.0"      " = 3"  "real minus real"
 220
 221     # Test multiplication with various operands
 222
 223     gdb_test "p .TRUE. * 1"     " = 1"  "bool times int"
 224     gdb_test "p 2 * 3"          " = 6"  "int times int"
 225     gdb_test "p 2.0 * 3"        " = 6"  "real times int"
 226     gdb_test "p 2.0 * 3.0"      " = 6"  "real times real"
 227
 228     # Test division with various operands
 229
 230     gdb_test "p .TRUE. / 1"     " = 1"  "bool divided by int"
 231     gdb_test "p 6 / 3"          " = 2"  "int divided by int"
 232     gdb_test "p 6.0 / 3"        " = 2"  "real divided by int"
 233     gdb_test "p 6.0 / 3.0"      " = 2"  "real divided by real"
 234
 235     # Test exponentiation with various operands
 236
 237     gdb_test "p 2 ** 3" " = 8" "int powered by int"
 238     gdb_test "p 2 ** 2 ** 3" " = 256" "combined exponentiation expression"
 239     gdb_test "p (2 ** 2) ** 3" " = 64" "combined exponentiation expression in specified order"
 240     gdb_test "p 4 ** 0.5" " = 2" "int powered by real"
 241     gdb_test "p 4.0 ** 0.5" " = 2" "real powered by real"
 242
 243 }
 244
 245 # Start with a fresh gdb.
 246
 247 gdb_exit
 248 gdb_start
 249 gdb_reinitialize_dir $srcdir/$subdir
 250
 251 gdb_test "set print sevenbit-strings" ""
 252
 253 if [set_lang_fortran] then {
 254     test_value_history
 255     test_convenience_variables
 256     test_integer_literals_accepted
 257     test_integer_literals_rejected
 258     test_logical_literals_accepted
 259     test_character_literals_accepted
 260     test_float_literals_accepted
 261     test_arithmetic_expressions
 262 } else {
 263     warning "$test_name tests suppressed." 0
 264 }